CN110569481A - Oil quantity calculation method for any oil tank - Google Patents
Oil quantity calculation method for any oil tank Download PDFInfo
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- CN110569481A CN110569481A CN201910966867.5A CN201910966867A CN110569481A CN 110569481 A CN110569481 A CN 110569481A CN 201910966867 A CN201910966867 A CN 201910966867A CN 110569481 A CN110569481 A CN 110569481A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F22/00—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/11—Complex mathematical operations for solving equations, e.g. nonlinear equations, general mathematical optimization problems
Abstract
The invention discloses a method for calculating the oil quantity of any oil tank, and belongs to the field of oil quantity measurement. The invention relates to a method for calculating the oil mass of any oil tank, which comprises the steps of firstly measuring the size of the oil tank, and then constructing a three-dimensional model according to the size of the oil tank; then selecting different height values to dissect the three-dimensional model, specifically, utilizing three-dimensional model software to dissect the three-dimensional model, wherein the specific process of sectioning is as follows: firstly, selecting a height value, and then determining a reference surface according to the selected height value for sectioning. Then calculating the residual volume of the cut oil tank; and then, obtaining an oil consumption function of the oil tank according to the height value and the residual volume value, and calculating the oil quantity of the oil tank according to the oil consumption function of the oil tank. The invention aims to overcome the defect that the residual oil quantity of any oil tank cannot be accurately calculated in the prior art, provides the oil quantity calculating method of any oil tank, can accurately calculate the residual oil quantity of any oil tank, and is simple, convenient and quick to operate.
Description
Technical Field
The invention relates to the field of oil quantity measurement, in particular to a method for calculating the oil quantity of any oil tank.
Background
The existing fuel oil type vehicles are various in types, the specification and the model of various types of vehicles are different, and the shapes of fuel tanks of the vehicles are also greatly different; the shape of the oil tank comprises a cylindrical shape, an oval shape, a rectangular shape, a semicircular combined shape, a trapezoidal shape, a rectangular shape, a polygonal multi-section special shape and the like, each oil tank in the shape has round corners with different radiuses, and the placement angles of the oil tanks in various shapes also change, so that the calculation of the residual oil amount corresponding to any height of the oil tank is complex and difficult.
In view of the above problems, the prior art also proposes some solutions, such as the invention and creation names: the scheme discloses an oil quantity calculating method and device and a monitoring system (application date: 2011, 9, and 28 days; application number: 201110294180.5). The method comprises the following steps: carrying out oil quantity calibration on the oil storage body, and generating a mapping table of the height of the oil level and the oil quantity; acquiring the oil level height of the oil quantity in the oil storage body according to the oil quantity calculation request; and calculating the oil quantity according to a mapping table of the oil level height and the oil quantity in the oil storage body. According to the scheme, the mapping table of the oil level height and the oil amount in the oil storage body is generated, after the oil level height is obtained, interpolation calculation is carried out according to the mapping table, and the oil amount in the oil storage body can be obtained. The method gets rid of the dependence of the oil amount calculation on the shape of the oil storage body, and is suitable for calculating the oil amount of the oil storage bodies with various shapes. However, the disadvantages of this solution are: the oil quantity of the oil tank is acquired by manual oiling, so that the workload is greatly increased; and the method for calculating the residual oil amount is complex and not simple.
In addition, the invention and creation name is: the scheme discloses an oil mass calculation method based on point cloud data (application date: 3/26/2014; application number: 201410115168.7). the oil mass calculation method based on the point cloud data relates to the field of data processing and three-dimensional visualization, and provides a method for automatically calculating the volume of the residual oil mass in an oil tank in real time based on a large amount of point cloud data acquired by three-dimensional laser scanning equipment. And preprocessing point cloud data acquired by the laser scanner to obtain the real-time oil level height and the oil tank appearance volume formed by the point clouds, so as to calculate the volume of the residual oil in the oil tank. The scheme can achieve the purpose of quickly, accurately and real-timely monitoring the oil quantity, is not influenced by the change of the oil volume along with the temperature, and provides quick and reliable basis and means for the management and the dispatching of the oil depot. However, the disadvantages of this solution are: the operation method is complicated, and the liquid level height of the actual oil tank needs to be combined, so that the complexity is greatly improved.
In summary, how to accurately calculate the remaining oil amount of any oil tank is a problem that needs to be solved urgently in the prior art.
Disclosure of Invention
1. Problems to be solved
the invention aims to overcome the defect that the residual oil quantity of any oil tank cannot be accurately calculated in the prior art, provides the oil quantity calculating method of any oil tank, can accurately calculate the residual oil quantity of any oil tank, and is simple, convenient and quick to operate.
2. Technical scheme
In order to solve the problems, the technical scheme adopted by the invention is as follows:
The invention relates to a method for calculating the oil mass of any oil tank, which comprises the steps of firstly measuring the size of the oil tank, and then constructing a three-dimensional model according to the size of the oil tank; then, selecting different height values to dissect the three-dimensional model, and calculating the residual volume of the dissected oil tank; and then, obtaining an oil consumption function of the oil tank according to the height value and the residual volume value, and calculating the oil quantity of the oil tank according to the oil consumption function of the oil tank. The oil consumption function can be simply, conveniently and quickly obtained through the operation, and the residual oil quantity of any oil tank can be accurately calculated through the oil consumption function; the invention has simple operation, does not need a large amount of equipment and greatly reduces the working cost.
Furthermore, the specific process of sectioning the three-dimensional model is as follows: firstly, selecting a height value, and then determining a reference surface according to the selected height value for sectioning. Then calculating the residual volume of the cut oil tank, wherein the residual volume of the oil tank corresponds to the selected height value; and then selecting different height values to dissect the three-dimensional model.
Furthermore, the specific process of obtaining the oil consumption function of the oil tank according to the height value and the residual volume value comprises the following steps: firstly, respectively calculating a plurality of groups of height ratios and residual volume ratios according to the height values and the residual volume values, then carrying out polynomial fitting on the plurality of groups of height ratios and residual volume ratios, and obtaining an oil consumption function of the oil tank after fitting; wherein, the height ratio is the ratio of the selected height value to the height value of the oil tank, and the residual volume ratio is the ratio of the residual volume value to the volume value of the oil tank. The height ratio of the invention is the reading of the sensor, the remaining volume ratio of any oil tank can be obtained according to the reading of the oil sensor at any time, and the remaining oil quantity of the oil tank can be obtained by multiplying the remaining volume ratio and the volume of the oil tank, thereby realizing the aim of simply, conveniently and quickly calculating the remaining oil quantity of the oil tank.
Furthermore, the residual fuel quantity L0 of the fuel tank is calculated according to the fuel consumption function, and then the predicted fuel filling quantity L2-L0 is obtained according to the total fuel quantity L and the residual fuel quantity L0 of the fuel tank; and then verifying the accuracy rate delta of the oil consumption function according to the actual oil filling amount L1 and the predicted oil filling amount L2, wherein the verification formula is as follows:The feasibility and the accuracy of the oil consumption function can be verified through the verification formula.
Further, when the oil tank includes a regular part and a special-shaped part, an oil consumption function is constructed for the regular part and the special-shaped part of the oil tank, respectively; the height values respectively selected aiming at the regular part and the special-shaped part of the oil tank comprise the height values of the joints of the regular part and the special-shaped part of the oil tank, so that the continuity and the accuracy of an oil consumption function are ensured.
Furthermore, at least 5 different height values are selected to dissect the three-dimensional model, so that the accuracy of an oil consumption function can be guaranteed, and the residual oil quantity of any oil tank can be accurately calculated.
Drawings
FIG. 1 is a schematic flow chart of a method for calculating the fuel quantity of any fuel tank according to the present invention;
FIG. 2 is a schematic structural view of a fuel tank in accordance with embodiment 2;
FIG. 3 is a graph of the fuel consumption function of the fuel tank of example 2;
FIG. 4 is a schematic structural view of a fuel tank in accordance with embodiment 3;
FIG. 5 is a graph showing the oil consumption function of the fuel tank of example 3;
FIG. 6 is a schematic structural view of the fuel tank of embodiment 4;
FIG. 7 is a graph showing the oil consumption function of the fuel tank of example 4;
FIG. 8 is a schematic structural view of a fuel tank according to embodiment 5;
FIG. 9 is a graph showing the fuel consumption function of the upper part of the fuel tank in example 5;
FIG. 10 is a graph showing the fuel consumption function in the middle of the fuel tank in example 5;
FIG. 11 is a graph showing the fuel consumption function of the lower part of the fuel tank in example 5.
Detailed Description
in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments; moreover, the embodiments are not relatively independent, and can be combined with each other according to needs, so that a better effect is achieved. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
example 1
Referring to fig. 1, according to the method for calculating the fuel amount of any fuel tank, firstly, the size of the fuel tank is measured, and then a three-dimensional model is constructed according to the size of the fuel tank; it should be noted that different sizes are required to be measured for different fuel tanks, for example, a circular fuel tank is required to measure its diameter, length, round angle and wall thickness, and a rectangular fuel tank is required to measure its length, width, height, wall thickness and round angle. Then, selecting different height values to dissect the three-dimensional model, and calculating the residual volume of the dissected oil tank; the remaining volume of the tank is the remaining volume of the tank. Specifically, the specific process of sectioning the three-dimensional model is as follows: firstly, selecting a height value, and then determining a reference surface according to the selected height value for sectioning. Then calculating the residual volume of the cut oil tank, wherein the residual volume of the oil tank corresponds to the selected height value; and then, selecting different height values to dissect the three-dimensional model, and circulating the operations to obtain a plurality of groups of height values and corresponding residual volume values. It is worth further explaining that the method provided by the invention at least selects 5 different height values to cut the three-dimensional model, so that the accuracy of an oil consumption function can be ensured, and the residual oil quantity of any oil tank can be accurately calculated.
And further, obtaining an oil consumption function of the oil tank according to the height value and the residual volume value, and calculating the oil quantity of the oil tank according to the oil consumption function of the oil tank. It should be noted that the specific process of obtaining the fuel consumption function of the fuel tank according to the height value and the remaining volume value is as follows: firstly, respectively calculating a plurality of groups of height ratios and residual volume ratios according to the height values and the residual volume values, wherein the height ratios are the ratios of the selected height values to the height values of the oil tanks, and the residual volume ratios are the ratios of the residual volume values to the volume values of the oil tanks; performing polynomial fitting on the plurality of groups of height ratios and residual volume ratios to obtain an oil consumption function of the oil tank after fitting; in this embodiment, a least squares method is used to perform polynomial fitting on several sets of height ratios and residual volume ratios. It is worth further explaining that the height ratio is the reading of the sensor, the residual volume ratio of any oil tank can be obtained according to the reading of the oil sensor at any time, and the residual volume ratio is multiplied by the volume of the oil tank to obtain the residual oil quantity of the oil tank, so that the residual oil quantity of the oil tank can be simply, conveniently and quickly calculated.
It should be noted that, in order to verify the accuracy of the oil consumption function in the oil quantity calculation method for any oil tank of the present invention, the specific process is as follows:
Firstly, the residual oil quantity L0 of the oil tank is calculated according to the oil consumption function, and then the total oil quantity of the oil tank is calculatedAnd L and the residual oil quantity L0 obtain a predicted fuel filling quantity L2 which is L-L0, and then the accuracy rate delta of the fuel consumption function is verified according to the actual fuel filling quantity L1 and the predicted fuel filling quantity L2, wherein the verification formula is as follows:The feasibility and the accuracy of the oil consumption function can be verified through the verification formula. The accuracy rate delta of the oil consumption function in the embodiment is 98%, namely the accuracy of the oil consumption function in oil quantity calculation is high, and the reliability is high.
in addition, the three-dimensional model of the oil tank is constructed by utilizing three-dimensional model software, and the three-dimensional model of the oil tank is cut by utilizing the three-dimensional model software; in this embodiment, the three-dimensional model software is Revit software.
according to the oil quantity calculation method of any oil tank, the oil consumption function can be simply, conveniently and quickly obtained through the operation, and the residual oil quantity of any oil tank can be accurately calculated through the oil consumption function; the invention has simple operation, does not need a large amount of equipment and greatly reduces the working cost.
example 2
The content of the embodiment is basically the same as that of embodiment 1, the oil tank of the embodiment is a D-shaped oil tank (as shown in fig. 2), the length, the width and the height of the oil tank of the embodiment are respectively 610mm, 700mm and 700mm, the fillet is 80mm, the radius of the circular part of the oil tank is 350mm, and the length of the oil sensor is 690 mm; and according to the size of the oil tank, establishing a three-dimensional model by utilizing Revit software, and simulating the phenomenon of oil liquid level reduction by using a hollow stretching command. And when the oil liquid level drops to a certain height, the volume of the residual model after stretching and sectioning the model is the residual volume of the oil tank, the residual volume of the oil tank is the residual oil volume, the model is stretched and sectioned for 11 times according to the method to obtain 11 groups of data (see table 1), and polynomial fitting is carried out on the data to obtain an oil consumption curve function.
Table 1 example 2 fuel consumption curve polynomial fitting data table
With reference to FIG. 3, the sensor readings are plotted on the abscissa and the residual volume ratio is plotted on the ordinate; the reading of the sensor is the height ratio, and the length of the sensor is the selected height value; the residual oil quantity and the reading of the sensor are changed in a nonlinear law, and the change curve conforms to a function y of-0.578 x3+0.8514x2+0.7225x +0.0072, and R20.9999. The residual volume ratio can be calculated according to the reading of the sensor through the oil consumption function, and then the residual volume ratio is multiplied by the volume of the oil tank to obtain the residual oil quantity of the oil tank.
Example 3
The content of the embodiment is basically the same as that of embodiment 1, the oil tank of the embodiment is a bevel groove type trapezoidal oil tank (as shown in fig. 4), the lengths of the upper end and the lower end of the oil tank of the embodiment are 590mm and 430mm respectively, the width and the height are 550mm and 1030mm respectively, the fillet is 30mm, and the length of the sensor is 990 mm; and according to the size of the oil tank, establishing a three-dimensional model by utilizing Revit software, and simulating the phenomenon of oil liquid level reduction by using a hollow stretching command. When the oil level drops to a certain height, the volume of the residual model after stretching and cutting the model is the residual volume of the oil tank, and the residual volume of the oil tank is the residual oil volume; the model is stretched and cut for 11 times according to the method to obtain 11 groups of data (see table 2), and polynomial fitting is carried out on the data to obtain an oil consumption curve function.
Table 2 example 3 fuel consumption curve polynomial fitting data table
as shown in connection with fig. 5, the sensor readings are taken as the abscissa and the residual volume ratio is taken as the ordinate; the reading of the sensor is the height ratio, and the length of the sensor is the selected height value; the residual oil quantity and the reading of the sensor are changed in a nonlinear law, and the change curve conforms to the function y of 0.1618x2+0.8049x +0.0338, and R21. The residual volume ratio can be calculated according to the reading of the sensor through the oil consumption function, and then the residual volume ratio is multiplied by the volume of the oil tank to obtain the residual oil quantity of the oil tank.
Example 4
The content of the embodiment is basically the same as that of the embodiment 1, the oil tank of the embodiment is a cylindrical oil tank (as shown in fig. 6), and the diameter and the length of the oil tank of the embodiment are 700mm and 900mm respectively; and according to the size of the oil tank, establishing a three-dimensional model by utilizing Revit software, and simulating the phenomenon of oil liquid level reduction by using a hollow stretching command. When the oil level drops to a certain height, the volume of the residual model after stretching and cutting the model is the residual volume of the oil tank, and the residual volume of the oil tank is the residual oil volume; the model was drawn and sectioned 10 times in this way to obtain 10 sets of data (see table 3), and polynomial fitting was performed on the data to obtain the oil consumption curve function.
Table 3 example 4 fuel consumption curve polynomial fitting data table
| Serial number | Sensor readings | Residual volume ratio | residual oil/L |
| 1 | 1 | 1 | 331 |
| 2 | 0.99 | 0.98489426 | 326 |
| 3 | 0.875 | 0.897280967 | 297 |
| 4 | 0.75 | 0.782477341 | 259 |
| 5 | 0.625 | 0.655589124 | 217 |
| 6 | 0.5 | 0.52265861 | 173 |
| 7 | 0.375 | 0.389728097 | 129 |
| 8 | 0.25 | 0.262839879 | 87 |
| 9 | 0.125 | 0.148036254 | 49 |
| 10 | 0 | 0.054380665 | 18 |
as shown in connection with fig. 7, the sensor readings are taken as the abscissa and the residual volume ratio is taken as the ordinate; the reading of the sensor is the height ratio, the residual oil quantity and the reading of the sensor change in a nonlinear rule, and the change curve conforms to a function y of-0.517 x3+0.786x2+0.6731x +0.0537, and R21. The residual volume ratio can be calculated according to the reading of the sensor through the oil consumption function, and then the residual volume ratio is multiplied by the volume of the oil tank to obtain the residual oil quantity of the oil tank.
Example 5
The content of the embodiment is basically the same as that of embodiment 1, when the oil tank comprises a regular part and an irregular part, an oil consumption function is respectively constructed for the regular part and the irregular part of the oil tank; the height values respectively selected for the regular part and the special-shaped part of the oil tank comprise height values of the joints of the regular part and the special-shaped part of the oil tank, namely the height values of the joints of the regular part and the special-shaped part of the oil tank are used as data points to respectively calculate oil consumption functions of the regular part and the special-shaped part of the oil tank, so that a connection point is formed between the oil consumption functions of the regular part and the special-shaped part of the oil tank, and the accuracy of the oil consumption functions is further ensured. The fuel tank of the present embodiment is a multi-segment special-shaped fuel tank (as shown in fig. 8), and the fuel tank of the present embodiment has a size of a 1-555 mm, a 2-690 mm, a 3-80 mm, a 4-520 mm, r 1-809 mm, b 1-4335 mm, c 1-475 mm, c 2-470 mm, c 3-310 mm, and c 4-300 mm; and according to the size of the oil tank, establishing a three-dimensional model by utilizing Revit software, and simulating the phenomenon of oil liquid level reduction by using a hollow stretching command. When the oil level drops to a certain height, the volume of the residual model after stretching and cutting the model is the residual volume of the oil tank, and the residual volume of the oil tank is the residual oil volume; according to the method, the upper part, the middle part and the lower part of the oil tank are respectively stretched and cut to respectively obtain 5 groups of data, 10 groups of data and 10 groups of data, and polynomial fitting is carried out on the data to obtain an oil consumption curve function. Wherein, the upper part and the lower part of the oil tank are regular parts of the oil tank, and the middle part of the oil tank is a special-shaped part of the oil tank.
The upper part of the oil tank:
the specific data obtained by sectioning the upper part of the tank are as follows (see table 4):
TABLE 4 oil tank upper oil consumption curve polynomial fitting data table
| serial number | Sensor readings | Residual volume ratio | residual oil amount/L |
| 1 | 1 | 1 | 268 |
| 2 | 0.98 | 0.973880597 | 261 |
| 3 | 0.96 | 0.947761194 | 254 |
| 4 | 0.94 | 0.921641791 | 247 |
| 5 | 0.92 | 0.895522388 | 240 |
As shown in connection with fig. 9, with sensor readings as the abscissa and the residual volume ratio as the ordinate; the reading of the sensor is the height ratio, the residual oil quantity and the reading of the sensor change in a nonlinear rule, and the change curve conforms to the function y of 0.4175x3-0.3651x2+1.0359+0.0304, and R2＝1。
the middle part of the oil tank:
The specific data obtained by sectioning the middle of the fuel tank are shown in the following table (see table 5):
TABLE 5 oil tank middle oil consumption curve polynomial fitting data table
| Serial number | Sensor readings | Residual volume ratio | Residual oil amount/L |
| 0.92 | 1 | 240 | |
| 1 | 0.9 | 0.970833333 | 233 |
| 2 | 0.85 | 0.904166667 | 217 |
| 3 | 0.8 | 0.8375 | 201 |
| 4 | 0.75 | 0.779166667 | 187 |
| 5 | 0.7 | 0.720833333 | 173 |
| 6 | 0.65 | 0.6625 | 159 |
| 7 | 0.6 | 0.6125 | 147 |
| 8 | 0.55 | 0.558333333 | 134 |
| 9 | 0.5 | 0.508333333 | 122 |
| 10 | 0.45 | 0.4625 | 111 |
| 11 | 0.44 | 0.45 | 108 |
As shown in connection with fig. 10, with sensor readings as the abscissa and the residual volume ratio as the ordinate; the reading of the sensor is the height ratio, the residual oil quantity and the reading of the sensor change in a nonlinear rule, and the change curve conforms to the function y of 0.4175x3-0.3651x2+1.0359+0.0304, and R2＝1。
the lower part of the oil tank:
the specific data obtained by sectioning the lower part of the tank are shown below (see table 6):
Table 6 oil tank lower oil consumption curve polynomial fitting data table
| Serial number | Sensor readings | residual volume ratio | Residual oil quantity/L |
| 1 | 0.44 | 1 | 108.00 |
| 2 | 0.4 | 0.916666667 | 99.00 |
| 3 | 0.35 | 0.805555556 | 87.00 |
| 4 | 0.3 | 0.703703704 | 76.00 |
| 5 | 0.25 | 0.592592593 | 64.00 |
| 6 | 0.2 | 0.481481481 | 52.00 |
| 7 | 0.15 | 0.37962963 | 41.00 |
| 8 | 0.1 | 0.268518519 | 29.00 |
| 9 | 0.05 | 0.166666667 | 18.00 |
| 10 | 0 | 0.055555556 | 6.00 |
With reference to FIG. 11, the sensor readings are plotted on the abscissa and the residual volume ratio is plotted on the ordinate; the reading of the sensor is the height ratio, the residual oil quantity and the reading of the sensor change in a nonlinear rule, the change curve conforms to the relation of a function y which is 2.1469+0.0561, and R20.9999. The residual volume ratio can be calculated according to the reading of the sensor through the function, and then the residual volume ratio is multiplied by the volume of the oil tank to obtain the residual oil quantity of the oil tank. It is worth to be noted that the data tables at the upper part and the middle part of the oil tank both contain sensor coefficients of 0.92, and the data tables at the middle part and the lower part of the oil tank both contain sensor coefficients of 0.44, that is, the height values respectively selected by the regular part and the special-shaped part of the oil tank both include the height value of the joint of the regular part and the special-shaped part of the oil tank, so that a joint point exists between the calculated oil consumption functions of the regular part and the special-shaped part of the oil tank, and the accuracy of the oil consumption function is further ensured.
The invention has been described in detail hereinabove with reference to specific exemplary embodiments thereof. It will, however, be understood that various modifications and changes may be made without departing from the scope of the invention as defined in the appended claims. The detailed description and drawings are to be regarded as illustrative rather than restrictive, and any such modifications and variations are intended to be included within the scope of the present invention as described herein. Furthermore, the background is intended to be illustrative of the state of the art as developed and the meaning of the present technology and is not intended to limit the scope of the invention or the application and field of application of the invention.
Claims (8)
1. A method for calculating the oil quantity of any oil tank is characterized by comprising the following steps: firstly, measuring the size of an oil tank, and then constructing a three-dimensional model according to the size of the oil tank; then, selecting different height values to dissect the three-dimensional model, and calculating the residual volume of the dissected oil tank; and then, obtaining an oil consumption function of the oil tank according to the height value and the residual volume value, and calculating the oil quantity of the oil tank according to the oil consumption function of the oil tank.
2. The method for calculating the fuel quantity of any fuel tank according to claim 1, wherein: the specific process of sectioning the three-dimensional model comprises the following steps: firstly, selecting a height value, and then determining a reference surface according to the selected height value for sectioning.
3. The fuel quantity calculation method of any fuel tank according to claim 2, characterized in that: calculating the residual volume of the dissected oil tank, wherein the residual volume of the oil tank corresponds to the selected height value; and then selecting different height values to dissect the three-dimensional model.
4. The method for calculating the fuel quantity of any fuel tank according to claim 1, wherein: the specific process of obtaining the oil consumption function of the oil tank according to the height value and the residual volume value comprises the following steps: firstly, respectively calculating a plurality of groups of height ratios and residual volume ratios according to the height values and the residual volume values, then carrying out polynomial fitting on the plurality of groups of height ratios and residual volume ratios, and obtaining an oil consumption function of the oil tank after fitting; wherein, the height ratio is the ratio of the selected height value to the height value of the oil tank, and the residual volume ratio is the ratio of the residual volume value to the volume value of the oil tank.
5. The method for calculating the fuel quantity of any fuel tank according to claim 1, wherein: based on the oilCalculating the residual fuel quantity L0 of the fuel tank by using the consumption function, and obtaining a predicted fuel filling quantity L2-L0 according to the total fuel quantity L of the fuel tank and the residual fuel quantity L0; and then verifying the accuracy rate delta of the oil consumption function according to the actual oil filling amount L1 and the predicted oil filling amount L2, wherein the verification formula is as follows:
6. The method for calculating the fuel quantity of any fuel tank according to claim 1, wherein: when the oil tank comprises a regular part and an irregular part, respectively constructing an oil consumption function aiming at the regular part and the irregular part of the oil tank; wherein, the height values respectively selected aiming at the regular part and the special-shaped part of the oil tank comprise the height values of the joints of the regular part and the special-shaped part of the oil tank.
7. The method for calculating the oil quantity of any oil tank according to any one of claims 1 to 6, wherein: and constructing a three-dimensional model of the oil tank by using three-dimensional model software.
8. The method for calculating the oil quantity of any oil tank as claimed in claims 1 to 6, wherein the method comprises the following steps: at least 5 different height values are selected to cut the three-dimensional model.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111795821A (en) * | 2020-05-25 | 2020-10-20 | 中国第一汽车股份有限公司 | Method for determining relation between oil quantity and oil level of speed reducer |
| CN113626118A (en) * | 2021-07-30 | 2021-11-09 | 中汽创智科技有限公司 | Energy consumption real-time display method, device and equipment |
| CN115618525A (en) * | 2022-11-11 | 2023-01-17 | 燕山大学 | Design method of miniaturized nonmetal hydraulic oil tank |
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